查询词典 symmetry axis

And third, in fractured medium with a tilted axis of symmetry , the elastic parameters and the phase velocities of waves in this medium are gained for analyzing the law of wave propagation.

倾斜裂隙介质，分析了该类介质的弹性参数，模拟了三类波的相速度面，分析了波的传播规律。

This paper deals with the aberrations of optical systems consisting of cylindrical components with their axes, parallal and having a common axis of symmetry.

本文首先由柱面系统中描写光线所须的参数和对称性，确定了同轴柱面系统的独立象差数是八个，而对无限远物体而言则只有六个。

Due to the introduction of IP curves, the method detects the symmetry and axis of objects by using the expressions of function instead of using the optimization method. Consequently, the computational cost of the method is low.

由于是基于隐含多项式曲线进行对称性检测，因而并不需要复杂的优化算法，仅用明确的解析式即可验证对称性并检测出相应的对称轴。

The vertical boundaries are both adiabatic where one is an axis of symmetry andthe other is remote from the building. A two-dimensional

垂直边界两个绝热应变一个人是一个对称轴和另一个远离大楼。

Where the left hand term in the equation represents the integral of the pressure forces acting on the chamber and nozzle, projected on a plane normal to the nozzle axis of symmetry, as shown in the figure.

而左手的任期在方程代表积分的压力势力对总商会及喷嘴，预计对飞机正常的喷嘴轴线对称，显示在数字。

The material's elastic constants for different orientations are obtained from the elastic constants along the axis of symmetry through the regular tensor transformation law.

不同旋转角度时材料的弹性常数是从晶轴坐标系下的弹性常数通过张量变换得来的。

If a cut plane goes through an axis or a symmetry line of standard components, they can be drawn as if they were not cut away.

当剖切平面通过标准产品的轴线或对称中心线时，可按不剖画出其外形。

In our work, some useful conclusions were obtained from axis-symmetry system, which are in accord with either the experimental results or the results of numerical simulation reported in foreign countries. An excentric Bridgman system which is an improved experimental system reported in a foreign country is also simulated.

本文进行的轴对称系统模拟得到了一些有益的结论，它们或者与已有的实验结果相符合，或者与国外报导的数值模拟工作相一致；本文还根据国外报导的一个改进的实验系统进行了偏心Bridgman系统的模拟。

The conclusion is that inductive electromotive force, gotten from sensor with the distribution regularities of weighting function, is proportional to the average flow velocity in pipe and is not relevant to the distribution of flow velocity when flow velocity is non-central symmetry with the central axis.

得出按权重函数分布规律的传感器，在流速非中心轴对称分布时，感应电势仅与平均流速呈正比，而与流速分布无关的结论，从而从原理上解决电磁流量计了高精度测量的问题。

The results are as follow:(1) In static status, the velocity of jet flow shows a symmetry distribution through central axis of enclosure.

结果表明，腔体静止时，射流速度沿腔体中心轴对称分布，腔体中心轴上的速度最大，两侧流速逐渐减小，近壁处为零；腔体转动时，在哥氏力的作用下，射流中心发生偏转，流场相对于腔体中心轴不再对称分布，腔体中各点处的流速分布随角速度而变化，压电射流角速度传感器利用这一特性敏感角速度。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。